Home / 2,121,778.51-3,182,636.60-524,341.56

Finding the Fourth Proportional to 2,121,778.51, 3,182,636.60 and 524,341.56

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Solution

The fourth proportional to 2,121,778.51, 3,182,636.60 and 524,341.56 is: 786,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,778.51 : 3,182,636.60 = 524,341.56 : x
  2. Step 2: Convert to fraction form
    2,121,778.51/3,182,636.60 = 524,341.56/x
  3. Step 3: Cross multiply
    2,121,778.51x = 3,182,636.60 × 524,341.56
  4. Step 4: Simplify right side
    2,121,778.51x = 1,668,788,639,757.10
  5. Step 5: Solve for x
    x = 1,668,788,639,757.10/2,121,778.51
  6. Step 6: Final answer
    x = 786,504.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.